diff --git a/render.py b/render.py
index 0be09fd..21cf212 100644
--- a/render.py
+++ b/render.py
@@ -308,6 +308,16 @@ def get_scene_duration(scene):
                 duration += clip['duration']
             return duration
 
+def get_offset_duration(prefix):
+    duration = 0
+    for root, folders, files in os.walk(prefix):
+        for f in files:
+            if f == 'scene.json':
+                path = os.path.join(root, f)
+                scene = json.load(open(path))
+                duration += get_scene_duration(scene)
+    return duration
+
 def render(root, scene, prefix=''):
     fps = 24
     files = []
@@ -656,8 +666,8 @@ def render_infinity(options):
             if f.isdigit() and os.path.isdir(render_prefix + f) and state["offset"] > int(f) >= 100
         ]
         if len(current) > state["max-items"]:
-            current = list(reversed(ox.sorted_strings(current)))
-            remove = list(reversed(current[-state["max-items"]:]))
+            current = ox.sorted_strings(current)
+            remove = current[:-state["max-items"]]
             update_m3u(render_prefix, exclude=remove)
             for folder in remove:
                 folder = render_prefix + folder